/Engine/Source/Runtime/Engine/Public/Animation/AnimNotifyStateMachineInspectionLibrary.h
Get whether the Reference ContextData has the given state and machine index in a UAnimNotifyStateMachineContext.
static bool IsStateInStateMachineInEventContext ( const [FAnimNotifyEventReference](API\Runtime\Engine\Animation\FAnimNotifyEventReference) & Reference, int32 StateMachineIndex, int32 StateIndex )